Market Verticals and Megatrends

SEGMENT REVENUE BY END MARKETS FOR Q1FY23 QTD End Market Distribution of Q1FY23 QTD Revenue Reported Segments Q1FY22 Q1FY23 Revenue(1) Revenue Q1FY23/ Q1FY22 Revenue Growth Q1FY23 Op Margin GAAP / Non- - Industrial Communications Electronics Instrumentation GAAP Materials Segment $264M $356M 37% 21% / 27% 41% 6% 49% 4% Networking $531M $596M 11% 15% / 20% 3% 94% 1% 2% Segment Lasers $392M(2) $392M 0% (31)%/18% 76% 0% 0% 24% Segment Proforma Combined $1,187M (1) $1,344M 13% 3% / 21% 34% 44% 13% 9% (1) Proforma non-GAAP revenue combines II-VI Q1 FY22 revenue (as of 9/30/22) and Coherent 9/30/22 TTM. Not calculated in accordance with Article 11 of SEC regulation S-X. (2) Coherent Revenue 6/30/22 TTM. COHERENT Copyright 2022, Coherent. All rights reserved. 31

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